摘要
通过对沈阳市室内外空气中甲醛浓度的测定,发现沈阳市大气中甲醛浓度较低,无超标现象;室内空气因场所不同,甲醛分布状况有所不同:商场、超市内甲醛超标较严重,主要由于所售物品释放所致,而装修材料不是主要污染源;新装修住宅甲醛超标率84%,非新装修住宅甲醛超标43%,均为装修材料释放所致;网吧、电影院内甲醛超标不严重.
By determining the concentration of formaldehyde in indoor air and outdoor air in Shenyang,it was found that the concentration of formaldehyde in the atmospheric in Shenyang was very low,and there is no exceeding standard happening;The distributions of formaldehyde in indoor air were different in different places: It was more serious exceeding standard for formaldehyde in department stores and supermarkets,and that was main caused by releasing of goods in them,so decoration materials were not main pollution sources;The formaldehyde's exceeding standard rate in newly decorated rooms was 84%,and that of non-newly rooms was 43%,all them were caused by releasing of decoration materials;Exceeding standard was not serious in internet cafés and cinemas.
出处
《辽宁大学学报（自然科学版）》
CAS
2011年第4期325-328,共4页
Journal of Liaoning University：Natural Sciences Edition
关键词
沈阳
甲醛
室内空气
超标
Shenyang
formaldehyde
indoor air
exceed standard
